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      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
    />
    <meta
      name="description"
      content="Draw a polygon or extruded polygon on the globe surface."
    />
    <meta name="cesium-sandcastle-labels" content="Development" />
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
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      src="../../../Build/CesiumUnminified/Cesium.js"
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  <body
    class="sandcastle-loading"
    data-sandcastle-bucket="bucket-requirejs.html"
  >
    <style>
      @import url(../templates/bucket.css);
    </style>
    <div id="cesiumContainer" class="fullSize"></div>
    <div id="loadingOverlay"><h1>Loading...</h1></div>
    <div id="toolbar"></div>
    <script id="cesium_sandcastle_script">
      function startup(Cesium) {
        "use strict";
        //Sandcastle_Begin
        // Create the viewer.
        const viewer = new Cesium.Viewer("cesiumContainer");
        const scene = viewer.scene;

        // Example 1: Draw a red polygon on the globe surface.

        // Create the polygon geometry. The positions here are
        // in counter clockwise order.
        let positions = Cesium.Cartesian3.fromDegreesArray([
          -115.0,
          37.0,
          -115.0,
          32.0,
          -107.0,
          33.0,
          -102.0,
          31.0,
          -102.0,
          35.0,
        ]);
        // Create a geometry instance using the polygon geometry.
        const redPolygonInstance = new Cesium.GeometryInstance({
          geometry: Cesium.PolygonGeometry.fromPositions({
            positions: positions,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.RED
            ),
          },
        });

        // Example 2: Draw a blue polygon with holes.

        // To draw a polygon with holes, create a nested position
        // hierarchy defining the positions of the polygon
        // edges and the positions of the holes.
        const polygonHierarchy = {
          positions: Cesium.Cartesian3.fromDegreesArray([
            -99.0,
            30.0,
            -85.0,
            30.0,
            -85.0,
            40.0,
            -99.0,
            40.0,
          ]),
          holes: [
            {
              positions: Cesium.Cartesian3.fromDegreesArray([
                -97.0,
                31.0,
                -97.0,
                39.0,
                -87.0,
                39.0,
                -87.0,
                31.0,
              ]),
              holes: [
                {
                  positions: Cesium.Cartesian3.fromDegreesArray([
                    -95.0,
                    33.0,
                    -89.0,
                    33.0,
                    -89.0,
                    37.0,
                    -95.0,
                    37.0,
                  ]),
                  holes: [
                    {
                      positions: Cesium.Cartesian3.fromDegreesArray([
                        -93.0,
                        34.0,
                        -91.0,
                        34.0,
                        -91.0,
                        36.0,
                        -93.0,
                        36.0,
                      ]),
                    },
                  ],
                },
              ],
            },
          ],
        };
        // Create a geometry instance using the polygon geometry.
        const bluePolygonInstance = new Cesium.GeometryInstance({
          geometry: new Cesium.PolygonGeometry({
            polygonHierarchy: polygonHierarchy,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.BLUE
            ),
          },
        });

        // Example 3: Draw a green extruded polygon.

        // To extrude, use the extruded height option to specify
        // the height of the polygon geometry.
        positions = Cesium.Cartesian3.fromDegreesArray([
          -108.0,
          42.0,
          -100.0,
          42.0,
          -104.0,
          40.0,
        ]);
        const greenPolygonInstance = new Cesium.GeometryInstance({
          geometry: Cesium.PolygonGeometry.fromPositions({
            positions: positions,
            extrudedHeight: 500000.0,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.GREEN
            ),
          },
        });

        // Example 4: Draw an orange extruded polygon with
        // per position heights.

        positions = Cesium.Cartesian3.fromDegreesArrayHeights([
          -108.0,
          25.0,
          100000,
          -100.0,
          25.0,
          100000,
          -100.0,
          30.0,
          100000,
          -108.0,
          30.0,
          300000,
        ]);
        // Set the perPositionHeight option to true for the polygon
        // to use the heights each position.  In this case, we are
        // also seting extrudedHeight to zero for the polygon
        // to be extruded down to the globe surface.
        const orangePolygonInstance = new Cesium.GeometryInstance({
          geometry: Cesium.PolygonGeometry.fromPositions({
            positions: positions,
            extrudedHeight: 0,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
            perPositionHeight: true,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.ORANGE
            ),
          },
        });

        // Add each polygon instance to primitives.
        scene.primitives.add(
          new Cesium.Primitive({
            geometryInstances: [
              redPolygonInstance,
              greenPolygonInstance,
              bluePolygonInstance,
              orangePolygonInstance,
            ],
            appearance: new Cesium.PerInstanceColorAppearance({
              closed: true,
              translucent: false,
            }),
          })
        );
        //Sandcastle_End
        Sandcastle.finishedLoading();
      }
      if (typeof Cesium !== "undefined") {
        window.startupCalled = true;
        startup(Cesium);
      }
    </script>
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